ID 462011 - An error occurs for "QCocoaWindow" in the console on macOS 11 BigSur +

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Problem summary
An error occurs for "QCocoaWindow" in the console on macOS 11 BigSur.

 

Customer reported version
Nuke 13.0v1

 

Customer reported platform
macOS 11 BigSur

 

Steps to reproduce

1) On macOS Big Sur or newer, install and launch Nuke.

2) View the output on the terminal.

 

Expected behavior
Nuke should launch on macOS without errors in the console.

 

Actual behavior
Erroring is printed to the console as "<QNSWindow: 0x7fb212fc4030; contentView=<QNSView: 0x7fb212fc3c30; QCocoaWindow(0x7fb212fc3b10, window=QWidgetWindow(0x7fb212fc34f0, name="QWidgetClassWindow"))>> has active key-value observers (KVO)! These will stop working now that the window is recreated, and will result in exceptions when the observers are removed. Break in QCocoaWindow::recreateWindowIfNeeded to debug" or similar.

 

Workaround
There is no available workaround at this time.

 

Reproduced by Developers in:
Nuke 13.0v1 - macOS 11 Big Sur

 

Unable to reproduce bug in:
Nuke 13.0v1 - macOS 10.15 Catalina

Nuke 12.2v5 - macOS 11 Big Sur

 

Earliest version tested
Nuke 12.2v5 - This feature did not exist before this version

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